UMA stats for browser/renderer audio rendering buffer size mismatch.

media/media.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 242 matching lines @@
         'base/audio_decoder.cc',
         'base/audio_decoder.h',
         'base/audio_decoder_config.cc',
         'base/audio_decoder_config.h',
         'base/audio_discard_helper.cc',
         'base/audio_discard_helper.h',
         'base/audio_fifo.cc',
         'base/audio_fifo.h',
         'base/audio_hash.cc',
         'base/audio_hash.h',
-        'base/audio_latency.cc',
-        'base/audio_latency.h',
         'base/audio_pull_fifo.cc',
         'base/audio_pull_fifo.h',
         'base/audio_push_fifo.cc',
         'base/audio_push_fifo.h',
         'base/audio_renderer.cc',
         'base/audio_renderer.h',
         'base/audio_renderer_mixer.cc',
         'base/audio_renderer_mixer.h',
         'base/audio_renderer_mixer_input.cc',
         'base/audio_renderer_mixer_input.h',
@@ skipping 2042 matching lines @@
                 'dependencies': [
                   '../build/linux/system.gyp:libdrm',
                 ]
               }],
             ],
           }
         ]
     }],
   ],
 }